Home / 21,607.18-29,817.92-12,047.94

Finding the Fourth Proportional to 21,607.18, 29,817.92 and 12,047.94

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Solution

The fourth proportional to 21,607.18, 29,817.92 and 12,047.94 is: 16,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.18 : 29,817.92 = 12,047.94 : x
  2. Step 2: Convert to fraction form
    21,607.18/29,817.92 = 12,047.94/x
  3. Step 3: Cross multiply
    21,607.18x = 29,817.92 × 12,047.94
  4. Step 4: Simplify right side
    21,607.18x = 359,244,541.20
  5. Step 5: Solve for x
    x = 359,244,541.20/21,607.18
  6. Step 6: Final answer
    x = 16,626.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.